Curriculum Library

Kindergarten Unit 2: Developing Number Sense

Key Concept: Comparison is used to determine which group contains more than, fewer than, or an equal number of objects.

Lesson Sequences

This topic is still in development.

Key Concept: Groups of objects can be compared to determine if they contain the same number of objects or if one group contains more or fewer.

Lesson Sequences

This topic is still in development.

Key Concept: Grouping objects into smaller amounts is a strategy for counting larger groups of objects.

Lesson Sequences

This topic is still in development.

Key Concept: Numbers are nested inside each other. Each subsequent number is one more than the previous number.

Lesson Sequences

K.2-4-1 Create a Group With More/Less/Equal to 10  |
Lesson Plan
View Lesson Opener Hands-On (5-10 min)
View Guided Lesson Students apply their understanding of creating groups to 10 in order to create a group that contains more than, fewer than, or an equal number of objects. (12-20 min)
View Lesson Closer Math Musings (5-8 min)
K.2-4-2 Enter Numeral with More/Less/Equal to 10  |
Lesson Plan
View Lesson Opener Discover & Discuss (5-10 min)
View Guided Lesson Students apply their understandings of quantity and comparison in order to write a numeral that is larger than, smaller than, or equal to another numeral.  (12-20 min)
View Lesson Closer Math Musings (5-8 min)
K.2-4-3 Create Groups to 20  |
Lesson Plan
View Lesson Opener Hands-On (5-10 min)
View Guided Lesson Students apply their understanding of counting a group of objects to create a group that contains up to 20 objects. (12-20 min)
View Lesson Closer Math Musings (5-8 min)
K.2-4-4 Verbal Count to 100: Count On, Count Back  |
Lesson Plan
View Teacher-Facilitated Lesson Students build fluency with the count sequence up to 100. They continue to develop their ability to count on and count back, which are precursors to addition and subtraction. (35-45 min)